mirror of
https://github.com/kanjitalk755/macemu.git
synced 2024-06-01 22:41:29 +00:00
176 lines
3.6 KiB
C
176 lines
3.6 KiB
C
/*
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* UAE - The Un*x Amiga Emulator
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*
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* MC68000 emulation
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*
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* Copyright 1995 Bernd Schmidt
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*/
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#ifndef SPCFLAGS_H
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#define SPCFLAGS_H
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#if 0
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#include "SDL_compat.h"
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#endif
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enum {
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SPCFLAG_STOP = 0x01,
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#if 0
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SPCFLAG_INTERNAL_IRQ = 0x02,
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#else
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SPCFLAG_INT = 0x02,
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#endif
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SPCFLAG_BRK = 0x04,
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SPCFLAG_TRACE = 0x08,
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SPCFLAG_DOTRACE = 0x10,
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SPCFLAG_DOINT = 0x20,
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#ifdef USE_JIT
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SPCFLAG_JIT_END_COMPILE = 0x40,
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SPCFLAG_JIT_EXEC_RETURN = 0x80,
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#else
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SPCFLAG_JIT_END_COMPILE = 0,
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SPCFLAG_JIT_EXEC_RETURN = 0,
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#endif
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SPCFLAG_VBL = 0x100,
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SPCFLAG_MFP = 0x200,
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SPCFLAG_INT3 = 0x800,
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SPCFLAG_INT5 = 0x1000,
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SPCFLAG_SCC = 0x2000,
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// SPCFLAG_MODE_CHANGE = 0x4000,
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SPCFLAG_ALL = SPCFLAG_STOP
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#if 0
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| SPCFLAG_INTERNAL_IRQ
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#else
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| SPCFLAG_INT
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#endif
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| SPCFLAG_BRK
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| SPCFLAG_TRACE
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| SPCFLAG_DOTRACE
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| SPCFLAG_DOINT
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| SPCFLAG_JIT_END_COMPILE
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| SPCFLAG_JIT_EXEC_RETURN
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| SPCFLAG_INT3
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| SPCFLAG_VBL
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| SPCFLAG_INT5
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| SPCFLAG_SCC
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| SPCFLAG_MFP
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,
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SPCFLAG_ALL_BUT_EXEC_RETURN = SPCFLAG_ALL & ~SPCFLAG_JIT_EXEC_RETURN
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};
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#if 0
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#define SPCFLAGS_TEST(m) \
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(regs.spcflags & (m))
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#else
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#define SPCFLAGS_TEST(m) \
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((regs.spcflags & (m)) != 0)
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#endif
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/* Macro only used in m68k_reset() */
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#define SPCFLAGS_INIT(m) do { \
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regs.spcflags = (m); \
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} while (0)
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#include "main.h"
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extern B2_mutex *spcflags_lock;
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#define SPCFLAGS_SET(m) do { \
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B2_lock_mutex(spcflags_lock); \
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regs.spcflags |= (m); \
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B2_unlock_mutex(spcflags_lock); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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B2_lock_mutex(spcflags_lock); \
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regs.spcflags &= ~(m); \
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B2_unlock_mutex(spcflags_lock); \
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} while (0)
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#define SleepAndWait() usleep(1000);
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#if 0
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#ifndef ENABLE_EXCLUSIVE_SPCFLAGS
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#define SPCFLAGS_SET(m) do { \
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regs.spcflags |= (m); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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regs.spcflags &= ~(m); \
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} while (0)
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#if 0
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#define SleepAndWait() usleep(1000)
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#endif
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#elif defined(X86_ASSEMBLY)
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// #elif (defined(CPU_i386) || defined(CPU_x86_64)) && defined(X86_ASSEMBLY) && !defined(ENABLE_REALSTOP)
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// #define HAVE_HARDWARE_LOCKS 1
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#define HAVE_HARDWARE_LOCKS
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#define SPCFLAGS_SET(m) do { \
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__asm__ __volatile__("lock\n\torl %1,%0" : "=m" (regs.spcflags) : "i" ((m))); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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__asm__ __volatile__("lock\n\tandl %1,%0" : "=m" (regs.spcflags) : "i" (~(m))); \
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} while (0)
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// #define SleepAndWait() usleep(1000)
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// #elif !defined(ENABLE_REALSTOP)
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// #undef HAVE_HARDWARE_LOCKS
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// extern SDL_mutex *spcflags_lock;
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// #define SPCFLAGS_SET(m) do { \
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// SDL_LockMutex(spcflags_lock); \
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// regs.spcflags |= (m); \
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// SDL_UnlockMutex(spcflags_lock); \
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// } while (0)
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// #define SPCFLAGS_CLEAR(m) do { \
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// SDL_LockMutex(spcflags_lock); \
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// regs.spcflags &= ~(m); \
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// SDL_UnlockMutex(spcflags_lock); \
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// } while (0)
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// #define SleepAndWait() usleep(1000)
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#else
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/// Full STOP instruction implementation (default configuration)
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#undef HAVE_HARDWARE_LOCKS
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#if 0
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extern SDL_mutex *spcflags_lock;
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extern SDL_cond *stop_condition;
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#define SPCFLAGS_SET(m) do { \
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SDL_LockMutex(spcflags_lock); \
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regs.spcflags |= (m); \
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if (regs.spcflags & SPCFLAG_STOP) \
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SDL_CondSignal(stop_condition); \
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SDL_UnlockMutex(spcflags_lock); \
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} while (0)
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#define SPCFLAGS_CLEAR(m) do { \
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SDL_LockMutex(spcflags_lock); \
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regs.spcflags &= ~(m); \
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SDL_UnlockMutex(spcflags_lock); \
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} while (0)
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#define SleepAndWait() do { \
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SDL_LockMutex(spcflags_lock); \
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SDL_CondWait(stop_condition, spcflags_lock); \
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SDL_UnlockMutex(spcflags_lock); \
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} while (0)
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#endif
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#endif
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#endif
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#endif /* SPCFLAGS_H */
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